Owlex vs Memory (Knowledge Graph)

A side-by-side comparison of two AI, Data & Knowledge servers — tools, transport, auth, maintenance, and copy-paste config for each.

	Owlex Get a second opinion in Claude Code: query Codex, Gemini, OpenCode and more, with structured multi-model deliberation. Unverified stdio (local) API key Python	Memory (Knowledge Graph) Official MCP server providing persistent, file-backed knowledge-graph memory across sessions. Verified stdio (local) No auth TypeScript
Category	AI, Data & Knowledge	AI, Data & Knowledge
Language	Python	TypeScript
Transport	stdio (local)	stdio (local)
Auth	API key	None
GitHub stars	123	74k
Last commit	3 months ago	5 months ago
Verified
Actively maintained
Install	`uv tool install git+https://github.com/agentic-mcp-tools/owlex.git`	`npx -y @modelcontextprotocol/server-memory`
Repo	Open	Open

Verdict

Pick Owlex if you need the broadest set of tools.

Pick Memory (Knowledge Graph) if you want the official, vendor-maintained server, and you prefer the more popular, battle-tested option.

Add Owlex

Install / run

uv tool install git+https://github.com/agentic-mcp-tools/owlex.git

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "owlex": {
      "command": "owlex-server",
      "args": []
    }
  }
}

Add Memory (Knowledge Graph)

Install / run

npx -y @modelcontextprotocol/server-memory

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "memory-knowledge-graph": {
      "command": "npx",
      "args": [
        "-y",
        "@modelcontextprotocol/server-memory"
      ],
      "env": {
        "MEMORY_FILE_PATH": "/absolute/path/to/memory.jsonl"
      }
    }
  }
}

FAQ

Owlex or Memory (Knowledge Graph) — which is better?

Pick Owlex if you need the broadest set of tools. Pick Memory (Knowledge Graph) if you want the official, vendor-maintained server, and you prefer the more popular, battle-tested option.

Can I use both Owlex and Memory (Knowledge Graph)?

Yes — MCP clients let you enable multiple servers at once. Add both configs to your client's mcpServers and use whichever tool fits the task.

Do Owlex and Memory (Knowledge Graph) work with Claude, Cursor and Windsurf?

Both do. Copy the per-client config below into Claude Desktop, Cursor, or Windsurf.

View Owlex →View Memory (Knowledge Graph) →More comparisons →